20130515SW

Wednesday Warmup: Elliptical Orbits (2013-05-15)

Yesterday you made some elliptical orbits and studied their patterns of motion. See what you remember!

1. In the image shown above, where is the green object moving the fastest?

• Point A
• Point B
• Point C
• Point D

2. In the image shown above, where is the green object moving the slowest?

• Point A
• Point B
• Point C
• Point D

3. In the image shown above, where is the green object gaining speed? (Assume the object is orbiting counter-clockwise.)

• Point A
• Point B
• Point C
• Point D

4. In the image shown above, where is the magenta object moving the fastest?

• Point A
• Point B
• Point C
• Point D
• Wait! It has a steady speed!